Hidrogen dari Reaksi Pemecahan Air Menggunakan Aluminium dengan Katalis Basa Abu Tandan Kosong Sawit

Syahrul Khairi; Erlindawati Erlindawati; Triandi Kuseno; Marcelina Marcelina; Muhammad Khalid Syafrianto

doi:10.17977/um0260v5i22021p001

Hidrogen dari Reaksi Pemecahan Air Menggunakan Aluminium dengan Katalis Basa Abu Tandan Kosong Sawit

Syahrul Khairi, Erlindawati Erlindawati, Triandi Kuseno, Marcelina Marcelina, Muhammad Khalid Syafrianto

Abstract

Potensi abu tandan kosong sawit (ATKS) sebagai sumber katalis basa untuk produksi hidrogen dari hidrolisis air dengan aluminium (Al) telah dikaji menggunakan handmade reactor. Kajian ini didahului dengan penggunaan basa konvensional yakni NaOH dan KOH dilanjutkan dengan penggunaan K₂CO₃ dan ATKS sebagai katalis. Katalis dipreparasi melalui pengabuan tandan kosong sawit (TKS) pada suhu 600^oC selama 2 jam. Karakterisasi ATKS dilakukan dengan menggunakan X-ray diffractometer (XRD) dan spektrofotometer serapan atom (AAS). ATKS mengandung logam Kalium dalam bentuk K₂CO₃ dan KCl, dengan total kalium sebesar 29,3 % berat. Hidrolisis air dilakukan dengan mereaksikan 0,01 g Aluminium dengan larutan KOH, NaOH, K₂CO₃ dan filtrat ATKS dengan variasi konsentrasi. Semakin tinggi konsentrasi katalis menyebabkan jumlah hidrogen yang dihasilkan semakin meningkat. Konversi terbesar diperoleh pada pengaplikasian KOH sebagai katalis. Penggunaan NaOH menyebabkan reaksi berjalan lebih cepat. Penggunaan K₂CO₃ dan flitrat ATKS juga menghasilkan hidrogen dengan kuantitas mendekati NaOH namun dengan laju reaksi yang lebih lambat.

Keywords

Abu tandan kosong sawit; hidrolisis air; Katalis basa; K2CO3; hidrogen

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DOI: http://dx.doi.org/10.17977/um0260v5i22021p001